	function showNews(){
		document.getElementById("class1").className="onlindq";
		document.getElementById("class2").className="";
		document.getElementById("class3").className="";
		document.getElementById("class4").className="";

		document.getElementById("newsMain").style.display="";
		document.getElementById("serveCp").style.display="none";
		document.getElementById("resolveFA").style.display="none";
		document.getElementById("hezuohuoban").style.display="none";
	}
	function showProduct(){
		document.getElementById("class1").className="";
		document.getElementById("class2").className="onlindq";
		document.getElementById("class3").className="";
		document.getElementById("class4").className="";

		document.getElementById("newsMain").style.display="none";
		document.getElementById("serveCp").style.display="";
		document.getElementById("resolveFA").style.display="none";
		document.getElementById("hezuohuoban").style.display="none";
	}
	function showScheme(){
		document.getElementById("class1").className="";
		document.getElementById("class2").className="";
		document.getElementById("class3").className="onlindq";
		document.getElementById("class4").className="";

		document.getElementById("newsMain").style.display="none";
		document.getElementById("serveCp").style.display="none";
		document.getElementById("resolveFA").style.display="";
		document.getElementById("hezuohuoban").style.display="none";
	}
	function showHezuo(){
		document.getElementById("class1").className="";
		document.getElementById("class2").className="";
		document.getElementById("class3").className="";
		document.getElementById("class4").className="onlindq";

		document.getElementById("newsMain").style.display="none";
		document.getElementById("serveCp").style.display="none";
		document.getElementById("resolveFA").style.display="none";
		document.getElementById("hezuohuoban").style.display="";
	}